Fix quantization test for lasr_ctc (MedASR)

Add expected INT8 weight count for lasr_ctc model in
_ARCHITECTURES_TO_EXPECTED_INT8 to prevent KeyError during
test_ovmodel_load_with_compressed_weights.

Author: padatta

tests/openvino/utils_tests.py

@@ -371,6 +371,7 @@ def _create_tiny_kokoro_model():
     "gpt2": {"model": 44},
     "granitemoehybrid": {"model": 118},
     "wav2vec2": {"model": 34},
+    "lasr_ctc": {"model": 384},
     "distilbert": {"model": 66},
     "t5": {
         "encoder": 64,